A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A battle between nature and architecture in the Cambodian jungle.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

An outstanding piece of retro Sci-Fi architecture built into a sacred mountain.

This mysteriously shaped boulder may have been used for human sacrifice in ancient times.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Salt cured mummies continue to turn up in this Iranian mine.

Ancient structures used to make and preserve ice in the deserts of Persia.

The hottest, driest, and most scenic desert on Earth.

17th century mosque for Shah Abbas' harem.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

The palace of the King of Kings, burned by Alexander the Great.

Marked by the hand of the explorer Henry Morton Stanley.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.